Pencil Graphite Potentiometer
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Potentiometer from Pencil Graphite and Paper
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Model information
- Source
- Printables
- Category
- Other 3D Objects for Learning
- License
- Creative Commons — Attribution — Noncommercial
Build a Potentiometer from Pencil Graphite and Paper
An educational DIY project demonstrating how pencil graphite can function as a resistive element in a working potentiometer.
The device combines a 3D printed body with a graphite track drawn on paper. As the slider moves along the graphite path, the resistance changes and can be used to control an LED or other simple electronic circuits.
This project is ideal for:
STEM education
Physics and electronics demonstrations
Makerspaces and classrooms
Experimental electronics enthusiasts
Features
Simple and low-cost design
Fully 3D printable body
Uses common materials
Demonstrates the principles of variable resistance
Easy to customize and experiment with
Materials
3D printed parts
Paper or adhesive paper
Soft pencil (recommended: 2B–8B)
LED + resistor
9V battery and connector
Wires and Dupont connectors
A great hands-on project to explore conductivity, resistance, and practical electronics using everyday materials.